If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:( C+ V+ p) A5 t5 Y" d; ^/ J7 S: Y
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(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot8 }- x h7 E9 c& _9 O4 Q
* Z3 E! f+ V" c6 ]: D7 r(2) To buy a round or square think-glass-disk with diameter or side length of 1 inch. If you can't find it, you can go 99 cents stores or dollartree to buy a large-clear-cloth-button at similar size. 6 j, A' l6 B7 Y/ f# N) w& P 3 o. B% g9 y0 C/ _! a5 I6 o(3) Prepare Epoxy well, spread the paste to one side of the glass or button, attach it to the crack-upper-end from inside of windshield. Wait for 24 hrs. It'll be as solid as a rock and permanently stop the crack extension.